CAMPBELL COUNTY, Ky. (WKRC) -- Fire crews battled a three alarm fire in Campbell County Wednesday morning.Crews were called to the home just before 4 a.m. at a home on Messmer Hill Road. Investigators tell us the house was unoccupied.However, the landlord came in Tuesday night, lit a fire in the fireplace and turned on a space heater. He told investigators that the fire in the fireplace was out before he left. The home is destroyed.